“Modern journalists work at breakneck speed to process stories as fast as possible. Therefore most news services rely heavily on public relations (PR) material in order to rapidly produce the stream of news. Much of this news comes from trusted wire agencies, but these also rely on PR input. Because of these pressures, public relations firms and commercial companies are having a heyday and find it easy to insert material into news media. In general, over half of all news stories are mostly PR or contain substantial PR-sourced material. Journalists themselves do not check the facts or figures of such inputs, nor admit in the articles themselves that PR material is the true source of the information, so the news often appears unbiased. Powerful commercial lobbies use this weakness to pervert public opinion.</p>

This disinformation campaign has spanned many decades; vested commercial interests provide an incentive to manipulate the public's understanding of the risks.

“As a result of paperwork disclosed in US court cases, we now know that when the tobacco companies in the 1950s found themselves under pressure from the discovery of the link between smoking and cancer, they hired PR companies to create a network of pseudo-groups to massage public thinking on their behalf. Hill & Knowlton, who were then the biggest PR agency in America, duly created the Council for Tobacco Research and the Tobacco Institute as apparently independent organisations to produce research to defend their sales. [...]</p>

A second PR agency, Burson-Marsteller, created the National Smokers Alliance as an AstroTurf group, to hold public meetings and hassle politicians, changing the tobacco story from a threat to health to a threat to freedom.”